Yes, protein, lipids and carbohydrates are the three nutrients that people need. Carbohydrate refers to a compound composed of three elements: carbon, hydrogen and oxygen. Carbohydrates in food can be divided into two categories: effective carbohydrates that people can absorb and utilize, such as monosaccharides, disaccharides, polysaccharides and ineffective carbohydrates that people can't digest, such as cellulose.

Most vegetables and fruits contain less protein and lipids, mainly composed of carbohydrates such as sugar and cellulose (of course, they also contain some other nutrients, such as vitamins, inorganic salts and a small amount of protein), so they can be said to be carbohydrate foods.

Generally, foods with high carbohydrate content include staple foods, such as rice, noodles, steamed bread, beans and potatoes. And sweets, such as sugar and honey. There are kelp, fungus and other foods, sugar cane, melon, watermelon, bananas, grapes and so on.

1, wax gourd.

It has diuretic effect, can expel water and lose weight. Eating wax gourd regularly can change the starch and sugar in food and prevent it from turning into fat. In addition, wax gourd is rich in vitamins and low in calories.

2. Cucumber

Contains diacid, which can inhibit the conversion of sugar food into fat. Cucumber is also rich in cellulose, which can strengthen gastrointestinal peristalsis, make the stool smooth and the calorie content is low.

3.loofah

The soap and mucus contained in loofah are beneficial to smooth stool and have low calorie content. In addition, Luffa is also rich in vitamins B 1, B2, A, C and minerals such as calcium, phosphorus and iron.

4, white radish

Contains mustard oil and amylase, which is helpful to the digestion and metabolism of fatty foods and prevents subcutaneous fat accumulation. White radish also has the function of ventilation and promoting defecation.

5. Porphyra

High fiber content, low fat content, easy to feel full, and have the effect of clearing heat and diuresis.